What was found
NR 1 LED SLAT, LT WING DID NOT RETRACT WHILE GOING FROM FLAP 5 TO FLAP 2. AMBER LIGHT ON FRONT PANEL WAS ON AND S/O PANEL IND AMBER, INTRANSIT RED TABS COMPLETED WITH SAME IND. ALSO, WING ANTI-ICE ATTEMPTED. NR 1 SLAT FUNCTIONS NORMAL, POSITION SWITCH INOPERATIVE. APPLIED HEAT TO NR 1 RETRACT SWITCH, NO HELP. INSTALLED SWITCH CONTACT JUMPER, NO HELP. REPLACED L/E POS CONTROL MODULE, RAN FLAPS THROUGH NUMEROUS CYCLES AND ALL IND NORMAL.